Perfluoro-n-tridecanoic acid, 1.2ml x 50ug/ml, methanol

2,2',3,3',4,4',5,5'-Octabromobiphenyl, 1.2ml x 50ug/ml, nonane

Diphenyl-p-tolyl phosphate-d7 (p-tolyl-d7),100 µg/mL,isooctane,1mL,

2,4,4',5-Tetrachlorobiphenyl (74)